DPMS working again after X updates, yet commented out in xorg.conf

[Nigel Henry]

I read a while back that xorg.conf was being deprecated. My xorg.conf has 
"options DPMS" commented out because I want the CRT monitor to stay on.

There were a bunch of X updates lastnight for Debian Lenny, and now my 
commented out "options DPMS" appears to be being ignored.

Can anyone point me towards some new file where I can once again stop DPMS 
from putting my monitor into standby mode after about 30mins?

Thanks for any suggestions.

Nigel.